System information

Celestix DAX Series Quick Start Guide Page | 26
Last Good Version (LGV)
Last Good Version (LGV) takes a snapshot of a currently running system which can
then be used if configuration changes or other events compromise system
performance or functionality. LGV provides another tool to protect your system in
addition to regular backups. It is recommended that you create an LGV after you
complete the setup for your appliance.
The LGV image is created in the recovery system process where the main operating
system is not running. Due to its offline nature, the LGV feature is not recommended
in lieu of a normal backup procedure. Also, there is only one LGV image possible at
any one time, and the creation of a new LGV image will replace an existing image.
Thus, be sure your configuration works as expected before replacing an existing LGV
image.
To create an LGV:
Notes:
 You will need to shut down your appliance and then start it again to
access the system recovery process.
 It may help to read through all of the instructions before starting the
procedure.
1. Shutdown the appliance.
2. The front panel display shows the System Off message after shutdown has
completed.
3. Press the Jog Dial to start the appliance; the front panel display shows
System On, and the system beeps once for system startup.
4. The front panel display next shows the System Ready message, and the
system will beep again. On this second beep, turn the Jog Dial clockwise two
full rotations to initiate the recovery system.
Note: Timing when you turn the Jog Dial is more important than how long
you turn it. Two full rotations should be adequate to start the recovery
system process.
5. The front panel display will show Celestix Appliance Installer when the
recovery process launches. Menu options will display when the recovery
system has loaded.
6. Turn the Jog Dial to scroll to the option Create Last Good Version << and
press to select.
7. Confirm the operation when prompted.